Display screen or portion thereof with icon



FIG. 1 is a front image of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is a front view of another embodiment of a display screen or portion thereof with icon showing our new design.

The broken lines in the figures illustrate the display screen or portion thereof, and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 